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Finding the Fourth Proportional to 54,830.99, 82,249.40 and 15,391.18

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Solution

The fourth proportional to 54,830.99, 82,249.40 and 15,391.18 is: 23,087.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,830.99 : 82,249.40 = 15,391.18 : x
  2. Step 2: Convert to fraction form
    54,830.99/82,249.40 = 15,391.18/x
  3. Step 3: Cross multiply
    54,830.99x = 82,249.40 × 15,391.18
  4. Step 4: Simplify right side
    54,830.99x = 1,265,915,543.09
  5. Step 5: Solve for x
    x = 1,265,915,543.09/54,830.99
  6. Step 6: Final answer
    x = 23,087.59

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